*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}
body{
    background-color: #f3f3f3;
}
.banner{
    width: 100%;
    height: 52px;
    background-color: white;
}
.banner>ul>li{
    float: left;
    list-style: none;
    line-height: 52px;
    font-size: 20px;
}
a{
    text-decoration: none;
}
a:visited{
    color: rgb(121, 27, 27);
}
a:hover{
    color: rgb(151, 32, 32);
}
.banner>ul>li>img{
    width: 40px;
    height: 40px;
    margin-top: 5px;
}
.logo{
    margin-left: 260px;
}
.first{
    margin-left: 50px;
}
.photo{
    margin-left: 800px;
}
.personcentercon{
    background-color: #ebe7d5;
}
.collectplace{
    width: 70%;
    margin: 0px auto;
}
.content-item{
    width: 253px;
    height: 339px;
    background-color: white;
    padding: 30px;
    margin-right: 34px;
    margin-top: 40px;
    border-radius: 15px;
    display: inline-block;
}
.cover-box{
    width: 210px;
    height: 248px;
    margin: auto 17px;
}
.book-title{
    width: 253px;
    height: 40px;
    margin-bottom: 15px;
    text-align: center;
    font-size: 20px;
    color: black;
}
.book-author{
    width: 253px;
    height: 19.2px;
    text-align: center;
    font-size: 14px;
    color: #999;
}
.collectplace>a{
    position: relative;
    display: inline-block;
}
.btn1{
    width: 158px;
    height: 51px;
    text-align: center;
    margin: 40px 424px;
}